Share GS revision
Save to Folder
What is the usage of the internet?
Daily matters, business, entertainment, education, communication
What happen if we use internet improperly?
Internet addition
How to protect your computer from virus?
Install anti-virus software
What is Intellectual Property Rights?
original work are the result of creators' hard work
Name one type of mass media
television, radio. the internet, newspaper, magazine
What is the function of mass media?
raise social issues, monitor the government
What are inappropriate materials?
violent materials, gambling materials, sexual materials
How can we improve air quality?
take public transportation, use electric vehicles
How does air pollution affect society?
affect transport,increase health care spending
What causes air pollution?
power station, factory, vehicle, vessel, construction work, restaurant
How do plants carry out photosynthesis? They take in _______________ and give off __________________.
carbon dioxide, oxygen
How does the chest change when we breathe?
The chest expands when we breathe in
How do human breathe? We breath in ________________ and breathe out ___________________ and _______________________.
oxygen, cardon dioxide and water vapour
Name one type of firefighting equipment.
fire blanket, fire hose, fire extinguisher
1/5 of air is _______________.
oxygen
4/5 of air is _____________.
Nitrogen
